提供核心交换机的冗余，虚拟专用网的接入与各种服务器的安装、配置。

The redundancy provided the core switch, installation, configuration and access server virtual private network.

youdao

提供核心交换机的冗余，虚拟专用网的接入与各种服务器的安装、配置。

The redundancy provided the core switch, installation, configuration and access server virtual private network.

youdao